// $Id: LatestDiscsCommand.java 242 2007-02-28 13:48:39Z huijzer $

/*    
	Aoide is a web-based music catalog using the Spring Framework.
	Copyright (C) 2006  Arjan Huijzer

    This program is free software; you can redistribute it and/or modify
    it under the terms of the GNU General Public License as published by
    the Free Software Foundation; either version 2 of the License, or
    (at your option) any later version.

    This program is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
    GNU General Public License for more details.

    You should have received a copy of the GNU General Public License along
    with this program; if not, write to the Free Software Foundation, Inc.,
    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
    
    You can contact Arjan Huijzer by sending an e-mail to huijzer@gmail.com.
*/

package org.aoide.shell.command;

import java.text.SimpleDateFormat;
import java.util.Collection;
import java.util.Iterator;

import org.aoide.core.persistence.Disc;
import org.aoide.core.persistence.DiscDao;
import org.aoide.shell.ShellException;
import org.springframework.context.ApplicationContext;

public class LatestDiscsCommand extends BaseCommand {

	private final int DEFAULT_DISC_COUNT = 5;
	
	public boolean execute(ApplicationContext context) throws ShellException {
		DiscDao discDao = (DiscDao) context.getBean("discDao");
		
		// The number of discs to show is provided as an argument to this command.
		// If not, use the default value.
		int count = DEFAULT_DISC_COUNT;
		if ( getArguments().size() > 0 ) {
			count = new Integer(getArguments().get(0)).intValue();
		}

		// Retrieve the lastest discs
		Collection discs = discDao.getLatest(count);

		// Iterate over the returned Disc objects and display the date and title.
		Iterator iter = discs.iterator();
		while (iter.hasNext()) {
			Disc disc = (Disc) iter.next();
			SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
		    String date = formatter.format(disc.getCreated());
			System.out.println(" [" + date + "] " + disc.getTitle());
		}
		
		return true;
	}

}
